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VPS SIVO 280

Technical Datasheet | Supplied by Evonik
VPS SIVO 280 is an organofunctional silane oligomer. Acts as an adhesion promoter. Leads to adequate adhesive cure and imparts additional flexibility and hydrophobicity. Soluble in alcohols, aliphatic and aromatic hydrocarbons, but it can undergo reactions with ketones or ester solvents. Helps eliminate the need for special primers in numerous bonding applications. Exhibits excellent wetting on substrates and forms weather- and moisture-resistant bonds to substrates which are partially difficult to adhere, well balanced mechanical properties and significant VOC-reduction compared to conventional amino silanes. Suitable for use in adhesive and sealants, silane modified polyurethane/ polyether, RTV-1/RTV-2 silicones, butyl rubber and improved adhesion especially to PMMA. Recommended dosage for VPS SIVO 260 is 0-5-2.0 wt. %. It has a shelf life of 9 months.
Product Type
Adhesion Promoters > Organofunctional Silanes
Chemical Composition
Silane oligomer
Appearance
Colorless to light yellow
Product Status
COMMERCIAL
Applications/ Recommended for
  • Adhesives
  • Sealants
  • Polymers > Silicones (Si)
  • Polymers > Polyurethanes
Labels/Agency Rating
EINECS/ELINCS (EU)

VPS SIVO 280 Properties

Property

Value & Unit
Test Condition
Test Method
Density @20°C,DIN 51757
1.15 g/cm3
Flash point, EN 22719
> 95 °C
Viscosity @20°C, DIN 53015
< 3000 mPa.s

Solubility Properties

Element
Test Condition
Test Method
Soluble in
alcohols
Soluble in
aliphatic hydrocarbons
Soluble in
aromatic hydrocarbons

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